https://file.aiquickdraw.com/mathbot/file/1725446971464kcecik59.jpg

The problem provided is asking to calculate the volume of a cylindrical container using the formula for the volume of a cylinder, which is:

\[
\text{Volume} = \pi r^2 h
\]

### Given:
- Diameter of the cylinder, \( d = 42 \, \text{cm} \)
- Radius, \( r = \frac{d}{2} = \frac{42}{2} = 21 \, \text{cm} \)
- Height, \( h = 40 \, \text{cm} \)
- Use \( \pi = \frac{22}{7} \)

### Calculation:
\[
\text{Volume} = \pi r^2 h = \frac{22}{7} \times 21^2 \times 40
\]

First, let's calculate \( 21^2 \):
\[
21^2 = 441
\]

Then, substitute the values:
\[
\text{Volume} = \frac{22}{7} \times 441 \times 40
\]

Now calculate:
\[
\frac{22}{7} \times 441 = 22 \times 63 = 1386
\]

Finally, multiply by the height:
\[
\text{Volume} = 1386 \times 40 = 55440 \, \text{cm}^3
\]

So, the volume of the cylindrical container is **55,440 cm³**.

Would you like more details, or do you have any further questions?

### Related Questions:
1. How would the volume change if the height were doubled?
2. What would be the effect on the volume if the radius were halved?
3. How does changing the value of \(\pi\) to a more accurate value like 3.14159 affect the calculation?
4. If the container were only filled halfway, what would the new volume be?
5. How would you calculate the surface area of this cylinder?

### Tip:
Always double-check the units used in your calculations to ensure consistency and accuracy.

Berapakah isi padu bekas air itu? (Gunakan π = 22/7, Rumus isi padu silinder = πr²h)

Learn how to calculate the volume of a cylindrical container with a diameter of 42 cm and a height of 40 cm. This problem involves geometry and the formula for the volume of a cylinder, making it suitable for students in Grades 7-9.

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